Signal Processing Method and Device

1. A signal processing method, which is applied to a terminal device, the method comprising: receiving a first indication message from a base station, wherein the first indication message is to trigger transmission of feedback information on pilot signals; receiving N downlink pilot signals transmitted by the base station, and measuring the N downlink pilot signals respectively, where N is an integer greater than or equal to 2, and the transmission manner of the N downlink pilot signals is semi-persistent transmission or aperiodic transmission; acquiring a precoding manner of the downlink pilot signals; and determining a feedback manner of the feedback information on the N downlink pilot signals and performing feedback, according to the precoding manner of the downlink pilot signals, wherein the feedback manner comprises not feeding back or one-time feeding back of the feedback information on the N downlink pilot signals, wherein the precoding manner of the downlink pilot signals comprises: using the same precoding manner for the N downlink pilot signals and using different precoding manners for the N downlink pilot signals.

2. The method according to claim 1 , wherein the acquiring the precoding manner of the downlink pilot signals comprises: acquiring the precoding manner of the downlink pilot signals according to the first indication message, wherein the precoding manner of the downlink pilot signals is included in the first indication message; or acquiring the precoding manner of the downlink pilot signals by using a high-layer signaling; or acquiring the precoding manner of the downlink pilot signals according to a pre-agreement with the base station; or receiving the precoding manner of the downlink pilot signals transmitted by the base station; or receiving a notification signaling transmitted by the base station, and acquiring the precoding manner of the downlink pilot signals according to the notification signaling, wherein the precoding manner of the downlink pilot signals is included in the notification signaling.

3. The method according to claim 1 , wherein the precoding manner of the downlink pilot signals comprises: using the same precoding manner for the N downlink pilot signals and using different precoding manners for the N downlink pilot signals, and the determining the feedback manner of the feedback information on the N downlink pilot signals and performing feedback according to the precoding manner of the downlink pilot signals comprises: determining that the feedback manner of the feedback information on the N downlink pilot signals is not feeding back, in a case that the same precoding manner is used for the N downlink pilot signals, if not feeding back is determined according to the notification of the base station or a pre-agreement with the base station; or determining one or more target receiving beams with the best signal receiving quality from receiving beams which receive the N downlink pilot signals, according to a measurement result of the N downlink pilot signals, and one-time feeding back information on the target receiving beams to the base station, in a case that the same precoding manner is used for the N downlink pilot signals, if one-time feeding back is determined to be required according to the notification of the base station or a pre-agreement with the base station; or determining one or more target receiving beams with the best signal receiving quality from receiving beams which receive the N downlink pilot signals, according to a measurement result of the N downlink pilot signals, determining target transmitting beams corresponding to the target receiving beams, and one-time feeding back information on the target transmitting beams or information on the downlink pilot signals received by the target receiving beams to the base station, in a case that different precoding manners are used for the N downlink pilot signals.

4. The method according to claim 1 , wherein in a case that the transmission manner of the N downlink pilot signals is semi-persistent transmission and the feedback manner is one-time feeding back of the feedback information on the N downlink pilot signals, the method further comprises: receiving a second indication message from the base station, wherein the second indication message is to indicate to stop transmitting the feedback information on the pilot signals; and stopping transmitting the feedback information on the pilot signals to the base station according to the second indication message.

5. A signal processing method, which is applied to a base station, the method comprising: transmitting a third indication message to a terminal device, wherein the third indication message is to trigger the terminal device to transmit uplink pilot signals; receiving M uplink pilot signals transmitted by the terminal device according to an acquired precoding manner of the uplink pilot signals, and measuring the M uplink pilot signals respectively, where M is an integer greater than or equal to 2, and the transmission manner of the M uplink pilot signals is semi-persistent transmission or aperiodic transmission; acquiring a precoding manner of the M uplink pilot signals; and determining a feedback manner of the feedback information on the M uplink pilot signals and performing feedback, according to the precoding manner of the uplink pilot signals, wherein the feedback manner comprises not feeding back or one-time feeding back of the feedback information on the M uplink pilot signals, wherein the precoding manner of the uplink pilot signals comprises: using the same precoding manner for the M uplink pilot signals and using different precoding manners for the M uplink pilot signals.

6. The method according to claim 5 , wherein a manner of notifying the precoding manner of the uplink pilot signals comprises: including the precoding manner of the uplink pilot signals in the third indication message, and notifying the precoding manner of the uplink pilot signals by the third indication message; or configuring the precoding manner of the uplink pilot signals to the terminal device by using a high-layer signaling; or transmitting the precoding manner of the uplink pilot signals to the terminal device; or transmitting a notification signaling to the terminal device, wherein the notification signaling comprises the precoding manner of the uplink pilot signals; or pre-agreeing the precoding manner of the uplink pilot signals with the terminal device.

7. The method according to claim 5 , wherein the precoding manner of the uplink pilot signals comprises: using the same precoding manner for the M uplink pilot signals and using different precoding manners for the M uplink pilot signals; the determining the feedback manner of the feedback information on the M uplink pilot signals and performing feedback according to the precoding manner of the uplink pilot signals comprises: determining that the feedback manner of the feedback information on the M uplink pilot signals is not feeding back, in a case that the same precoding manner is used for the M uplink pilot signals; or determining one or more target uplink pilot signals with the best signal quality according to a measurement result of the M uplink pilot signals, and one-time feeding back information on the target uplink pilot signals to the terminal device, in a case that different precoding manners are used for the M uplink pilot signals.

8. The method according to claim 5 , wherein in a case that the transmission manner of the M downlink pilot signals is semi-persistent transmission, the method further comprises: transmitting a fourth indication message to the terminal device, wherein the fourth indication message is to indicate the terminal device to stop transmitting the uplink pilot signals.

9. The method according to claim 5 , further comprising: transmitting a fifth indication message to the terminal device, wherein the fifth indication message is to notify the terminal device whether a transmitting beam needs to be changed when the uplink pilot signals are subsequently transmitted.

10. A signal processing method, which is applied to a terminal device, the method comprising: receiving a third indication message from a base station, wherein the third indication message is to trigger transmission of uplink pilot signals; acquiring a precoding manner of the uplink pilot signals; and transmitting M uplink pilot signals according to the precoding manner of the uplink pilot signals and the third indication message, where M is an integer greater than or equal to 2, and the transmission manner of the M uplink pilot signals is semi-persistent transmission or aperiodic transmission, so that the base station, according to the acquired precoding manner of the uplink pilot signals, determines a feedback manner of the feedback information on the M uplink pilot signals and performs feedback, and wherein the feedback manner comprises not feeding back or one-time feeding back of the feedback information on the M uplink pilot signals, wherein the precoding manner of the uplink pilot signals comprises: using the same precoding manner for the M uplink pilot signals and using different precoding manners for the M uplink pilot signals.

11. The method according to claim 10 , wherein the acquiring the precoding manner of the uplink pilot signals comprises: including the precoding manner of the uplink pilot signals in the third indication message, and acquiring the precoding manner of the uplink pilot signals according to the third indication message; or acquiring the precoding manner of the uplink pilot signals according to a high-layer signaling; or acquiring the precoding manner of the uplink pilot signals according to a pre-agreement with the base station; or receiving the precoding manner of the uplink pilot signals transmitted by the base station; or receiving a notification signaling transmitted by the base station, and acquiring the precoding manner of the uplink pilot signals according to the notification signaling, wherein the precoding manner of the uplink pilot signals is included in the notification signaling.

12. The method according to claim 10 , wherein in a case that the transmission manner of the M uplink pilot signals is semi-persistent transmission, the method further comprises: receiving a fourth indication message transmitted by the base station, wherein the fourth indication message is to indicate the terminal device to stop transmitting the uplink pilot signals; and stopping transmitting the uplink pilot signals to the base station according to the fourth indication message.

13. The method according to claim 10 , further comprising: receiving a fifth indication message transmitted by the base station, wherein the fifth indication message is to notify whether a transmitting beam needs to be changed when the uplink pilot signals are subsequently transmitted.

14. The method according to claim 10 , wherein in a case that the base station determines that the feedback manner of the feedback information on the M uplink pilot signals is one-time feeding back of the feedback information on the M uplink pilot signals, the method further comprises: receiving the feedback information on the M uplink pilot signals transmitted by the base station; and determining an uplink transmission beam according to the feedback information on the M uplink pilot signals.

15. A terminal side device, comprising a processor, a storage, and a computer program which is stored in the storage and is capable of running on the processor, wherein when the computer program is executed by the processor, steps of the signal processing method according to claim 6 are implemented.

16. A network side device, comprising a processor, a storage, and a computer program which is stored in the storage and is capable of running on the processor, wherein when the computer program is executed by the processor, steps of the signal processing method according to claim 5 are implemented.

17. A terminal side device, comprising a processor, a storage, and a computer program which is stored in the storage and is capable of running on the processor, wherein when the computer program is executed by the processor, steps of the signal processing method according to claim 10 are implemented.

18. The method according to claim 5 , wherein the base station transmits a first indication message to the terminal device, and a manner of notifying the precoding manner of the downlink pilot signals comprises: including the precoding manner of the downlink pilot signals in the first indication message, and notifying the precoding manner of the downlink pilot signals by the first indication message; or configuring the precoding manner of the downlink pilot signals to the terminal device by using a high-layer signaling; or transmitting the precoding manner of the downlink pilot signals to the terminal device; or transmitting a notification signaling to the terminal device, wherein the notification signaling comprises the precoding manner of the downlink pilot signals; or pre-agreeing the precoding manner of the downlink pilot signals with the terminal device.

19. The network side device according to claim 16 , wherein the network side device transmits a first indication message to the terminal device, and a manner of notifying the precoding manner of the downlink pilot signals comprises: including the precoding manner of the downlink pilot signals in the first indication message, and notifying the precoding manner of the downlink pilot signals by the first indication message; or configuring the precoding manner of the downlink pilot signals to the terminal device by using a high-layer signaling; or transmitting the precoding manner of the downlink pilot signals to the terminal device; or transmitting a notification signaling to the terminal device, wherein the notification signaling comprises the precoding manner of the downlink pilot signals; or pre-agreeing the precoding manner of the downlink pilot signals with the terminal device.